Charging case



FIG. 1 is a perspective view of a charging case as seen from the front, top, and right side;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines illustrate portions of the charging case and form no part of the claimed design. 

CLAIM The ornamental design for charging case, substantially as shown and described. 